ESV: Why should the nations say, “Where is their God?”
NIV: Why do the nations say, 'Where is their God?'
NASB: Why should the nations say, 'Where, then, is their God?'
CSB: Why should the nations say, "Where is their God? "
NLT: Why let the nations say, 'Where is their God?'
KJV: Wherefore should the heathen say, Where is now their God?
NKJV: Why should the Gentiles say, “So where is their God?”
